Page 316 - CITS - Electrician - Trade Practical

ELECTRICIAN - CITS

Sl. No Description Value
Charge controller
1. Make

2. Maximum Current Output
3. Nominal Battery Voltage
4. PV Open Voltage
5. Maximum PV Array Power under STC

6. Technology: PWM / MPPT
7. MPPT Voltage Range (For MPPT Controllers)
Battery
1. Make

2. Battery Type: Lithium-ion / Lead-acid/Lithium iron
phosphate (LiFePO4)
3. Capacity (Ah)**:
4. Voltage
5. C rating

Solar panel
1. Make
2. Type: Mono /Poly /PERC
3. Voltage at Maximum Power Point (Vmpp):

4. Current at Maximum Power Point (Impp):
5. Dimensions and Weight
6. Open circuit voltage Voc
7. Short Circuit current Isc

TASK 2:

1 Mount the solar panels with orientation to south and with inclination angle equivalent to latitude of the location
2 Wire the charge controller to battery first and then the solar panel through disconnect switch as per the
terminals provided in charge controller
3 Keep the switch in OFF position.

4 Inspect the connections.

TASK 3:

1 Switch On the circuit.
2 Demonstrate illumination of the load.
3 Note the voltage and currents at panel side and load side of charge controller with different load conditions in
Table 1
4 Observe the variation of current with variation of panel mounting angle.
9 Observe the variation of current with variation of panel mounting angle

299

CITS : Power - Electrician & Wireman - Exercise 109